This part of the Final Supplemental Environmental Impact Statement for a Geologic Repository for the Disposal of Spent Nuclear Fuel and High-Level Radioactive Waste at Yucca Mountain, Nye County, Nevada -- Nevada Rail Transportation Corridor (DOE/EIS-0250F-S2) (Nevada Rail Corridor SEIS) consists of responses to comments the U.S. Department of Energy (DOE, or the Department) received on the Draft Nevada Rail Corridor SEIS. DOE prepared Nevada Rail Corridor SEIS consistent with the Nuclear Waste Policy Act, as amended (NWPA, 42 U.S.C. 10101 et seq.), the National Environmental Policy Act (NEPA), the Council on Environmental Quality (CEQ) regulations that implement NEPA (40 CFR Parts 1500 to 1508), and the Department’s procedures for implementation of NEPA (10 CFR Part 1021).